Home / 12,622.44-17,425.92-7,587.88

Finding the Fourth Proportional to 12,622.44, 17,425.92 and 7,587.88

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Solution

The fourth proportional to 12,622.44, 17,425.92 and 7,587.88 is: 10,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.44 : 17,425.92 = 7,587.88 : x
  2. Step 2: Convert to fraction form
    12,622.44/17,425.92 = 7,587.88/x
  3. Step 3: Cross multiply
    12,622.44x = 17,425.92 × 7,587.88
  4. Step 4: Simplify right side
    12,622.44x = 132,225,789.85
  5. Step 5: Solve for x
    x = 132,225,789.85/12,622.44
  6. Step 6: Final answer
    x = 10,475.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.